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Finding the Fourth Proportional to 119,349.10, 164,698.47 and 65,634.12

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Solution

The fourth proportional to 119,349.10, 164,698.47 and 65,634.12 is: 90,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,349.10 : 164,698.47 = 65,634.12 : x
  2. Step 2: Convert to fraction form
    119,349.10/164,698.47 = 65,634.12/x
  3. Step 3: Cross multiply
    119,349.10x = 164,698.47 × 65,634.12
  4. Step 4: Simplify right side
    119,349.10x = 10,809,838,320.30
  5. Step 5: Solve for x
    x = 10,809,838,320.30/119,349.10
  6. Step 6: Final answer
    x = 90,573.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.